EPR, 17 47'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.7900 |
-113.3000 |
2600 |
1993 plume only |
Tonga Arc, Volcano D |
active, inferred |
arc volcano |
Tonga Arc |
-19.4500 |
-174.9167 |
760 |
2004 plume only |
N-ELSC, plume 29 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6000 |
-175.9750 |
2700 |
2004 plume only |
SWIR, 53.2 E |
active, inferred |
mid-ocean ridge |
SWIR |
-36.1010 |
53.2550 |
2218 |
2008 plume and dredge only |
GEISEIR site 13, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.0125 |
86.0608 |
2800 |
2010 plume only |
Stromboli |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.7890 |
15.2130 |
250 |
1969 Fe crusts only |
MAR, 8 10'S |
active, inferred |
mid-ocean ridge |
S MAR |
-8.1670 |
-13.4670 |
2000 |
2001 plume only |
EPR, 20 S |
active, inferred |
mid-ocean ridge |
S EPR |
-20.0333 |
-113.6843 |
3000 |
1999 submersible Alvin did not confirm activity |
Tonga Arc, Volcano 16 |
active, inferred |
arc volcano |
Tonga Arc |
-24.1883 |
-176.8217 |
1400 |
2003 plume and dredge only |
Kebrit Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
24.7233 |
36.2767 |
1590 |
1972 deposits only |
Stockwork |
active, inferred |
mid-ocean ridge |
JdF Ridge |
47.9000 |
-129.1240 |
2300 |
2005 submersible Alvin (need publication to determine if confirmed) |
Kos, south |
active, inferred |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6667 |
27.2500 |
450 |
1997 plume only |
Reykjanes Ridge, Area A |
active, inferred |
mid-ocean ridge |
Reykjanes Ridge |
62.4500 |
-25.4330 |
500 |
NotProvided |
GEISEIR site 27, segment M5 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.9805 |
93.4571 |
2700 |
2009 plume only |
Chile Rise, Segment N8 |
active, inferred |
mid-ocean ridge |
Chile Rise |
-38.7167 |
-91.5667 |
3330 |
1998 plume only |
FRSC, South Central |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.6667 |
-174.5167 |
1820 |
2004 plume only; 2006 plume and chimney samples; 2009 camera tow and sampling (activity not confirmed) |
SWIR, Plume 2, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.0670 |
58.9670 |
4200 |
1997 plume only |
EPR, 28.7 S, Segment W4 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.7000 |
-112.9880 |
2350 |
1998 plume only |
MAR, 19 S |
active, inferred |
mid-ocean ridge |
S MAR |
-19.3301 |
-11.9421 |
2707 |
2013 plume only |
SEIR-WXC02 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
137.0000 |
2620 |
2015 plume only |
EPR, mid 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
17.0000 |
-105.3800 |
2750 |
1997 plume only |
Central Andaman Trough, seamount crater, dredge 6 |
active, inferred |
back-arc spreading center |
Andaman Basin |
10.0000 |
94.0000 |
1640 |
1994 deposits only |
EPR, 15 24'S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.4000 |
-112.8350 |
2640 |
1993 plume only |
S-OH1 |
active, inferred |
mid-ocean ridge |
N MAR |
34.5330 |
-36.8500 |
3000 |
1996 submersible Nautile did not find active vents; 2000 or earlier plume only |
GEISEIR site 38, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-48.0048 |
98.8232 |
2800 |
2009 plume only |
MAR, 11 N |
active, inferred |
mid-ocean ridge |
N MAR |
11.0380 |
-43.6483 |
4010 |
1984 plume only; 2009 plume only |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |
SESCA |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
40.7500 |
-127.5200 |
3300 |
1986 sediments and heat-flow measurements |
MAR, south of 15 20'N fracture zone |
active, inferred |
mid-ocean ridge |
N MAR |
15.0833 |
-45.0000 |
3000 |
1988 plume only; 1992 submersible Nautile did not observe active vents |
Mata Fa |
active, inferred |
arc volcano |
Lau Basin |
-14.9833 |
-173.8000 |
2600 |
2010 plume only |